.box{
    width:95%;
    margin:auto;
}
.msg-header{
    margin: 10px 0;
}

.msg-header h3{
    display: inline-block;
    vertical-align: middle;

}

.msg-header img{
    width:20px;
    vertical-align: middle;
}

.msg-form{
    position: relative;
}

.msg-form textarea{
    resize: none;
    width:100%;
    padding:10px;
    box-sizing:border-box;
    font-size:15px;
    border-radius: 3px;
}

.msg-form button{
    float: right;
    position: absolute;
    bottom:10px;
    right:5px;
    border:none;
    background: #333333;
    color:#fff;
    padding:5px 13px;
    outline: none;

}

.msg-list{
    clear:both;
    margin-top:20px;
}

.msg-list li{
    width:100%;
    border:1px solid #ccc;
    margin:10px 0;
    clear:both;
    padding:5px 10px;
    box-sizing: border-box;
    border-radius: 3px;
}

.msg-left{
     float:left;
 }

.msg-right{
    float:right;
}